/**
* Copyright (C) 2008 Happy Fish / YuQing
*
* FastDFS Java Client may be copied only under the terms of the GNU Lesser
* General Public License (LGPL).
* Please visit the FastDFS Home Page http://www.csource.org/ for more detail.
*/

package org.csource.fastdfs;

import java.io.IOException;
import java.io.OutputStream;

/**
 * upload file callback interface
 * 
 * @author Happy Fish / YuQing
 * @version Version 1.0
 */
public interface UploadCallback {
	/**
	 * send file content callback function, be called only once when the file
	 * uploaded
	 * 
	 * @param out
	 *            output stream for writing file content
	 * @return 0 success, return none zero(errno) if fail
	 */
	public int send(OutputStream out) throws IOException;
}
